package org.ohuyo.libra.admin;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

/**
 * 
 * @author rabbit
 * 
 */
public class CommonFilter implements Filter {
	private ServletContext servletContext;

	public void destroy() {

	}

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		chain.doFilter(request, response);
	}

	public void init(FilterConfig filterConfig) throws ServletException {
		servletContext = filterConfig.getServletContext();
		String ctx = servletContext.getContextPath();
		servletContext.setAttribute("ctx", ctx);
	}

}
